NEW YORK (Reuters) – A fifteenth passenger died on Monday from injuries suffered in a weekend bus crash on a New York highway, authorities said.

None of the 32 people on board escaped death or injury in the crash of the bus about 5:30 a.m. on Saturday as it was transporting passengers to New York City's Chinatown from the Mohegan Sun Casino in Connecticut.

The New York City Medical Examiner's Office said the unidentified male died in a hospital on Monday morning, spokeswoman Grace Brugess said.

Authorities are investigating bus driver Ophadel William's statements that a tractor-trailer hit the bus before he swerved on Interstate 95 and toppled into a support pole for a highway sign.

The momentum of the crash caused the pole to rip through the front of the bus and tear off most of its roof.

State police said several witnesses and passengers have told them William was driving fast and they are reviewing surveillance video taken on the bus shortly before the crash.

The National Transportation and Safety Board said it was reviewing a so-called black box from the bus that would have recorded data from the time of the crash.

Thirteen people were pronounced dead at the crash scene, and the other two deaths occurred at hospitals. All of the other passengers also were taken to hospitals, officials said.

The bus was operated by World Wide Travel of Brooklyn, New York.

(Reporting by Aman Ali; Editing by Ellen Wulfhorst and Jerry Norton)